920465 has 36 divisors (see below), whose sum is σ = 1469916. Its totient is φ = 548352.

The previous prime is 920443. The next prime is 920467. The reversal of 920465 is 564029.

It can be written as a sum of positive squares in 6 ways, for example, as 784 + 919681 = 28^2 + 959^2 .

It is not a de Polignac number, because 920465 - 2⁸ = 920209 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920465.

It is not an unprimeable number, because it can be changed into a prime (920467) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 54137 + ... + 54153.

It is an arithmetic number, because the mean of its divisors is an integer number (40831).

2⁹²⁰⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

920465 is a deficient number, since it is larger than the sum of its proper divisors (549451).

920465 is a wasteful number, since it uses less digits than its factorization.

920465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 920465 is about 959.4086720475. The cubic root of 920465 is about 97.2752658694.

The spelling of 920465 in words is "nine hundred twenty thousand, four hundred sixty-five".